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 Mar5 awarded Notable Question Feb25 awarded Popular Question Feb23 awarded Popular Question Feb10 awarded Notable Question Feb1 awarded Notable Question Feb1 awarded Notable Question Jan15 comment Find out trace of a given matrix $A$ with entries from $\mathbb{Z}_{227}$ @rschwieb You are welcome. :) Jan15 comment Find out trace of a given matrix $A$ with entries from $\mathbb{Z}_{227}$ @rschwieb I have edited question statement. Thanks for pointing out. Jan15 comment Find out trace of a given matrix $A$ with entries from $\mathbb{Z}_{227}$ @rschwieb I have edited the problem statement. Please see it again. Also, I don't remember whether I deleted any comments. Jan15 revised Find out trace of a given matrix $A$ with entries from $\mathbb{Z}_{227}$ added 69 characters in body Dec26 comment Properties of Derivative function on $\mathbb R[x]$ Thanks........:) Dec26 comment Properties of Derivative function on $\mathbb R[x]$ What about $D(E(f)) = f , \forall f$? Dec20 awarded Constituent Dec17 comment Need some facts about Newton-Schulz iterative method and its application to sparse matrices de Thanks for the answer. It helped me a lot.:) Dec17 accepted Need some facts about Newton-Schulz iterative method and its application to sparse matrices Dec14 comment Need some facts about Newton-Schulz iterative method and its application to sparse matrices Dear sir, thank you very much for the answer. But, I want to know I want to know whether Newton's method work well for sparse matrices? Also, whether for the sparse matrix $A$, its inverse $V_k$ by Newton's method preserves sparsity? Dec12 reviewed Approve Are there 2p elements of order p in $\mathbb{Z}_p \times\mathbb{Z}_p$? Dec11 awarded Famous Question Dec10 reviewed Approve Proof NP-Complete for $L = \{G, T \mid G \text{ is a graph with a spanning tree isomorphic to } T\}$ Dec10 accepted Real numbers equipped with the metric $d (x,y) = | \arctan(x) - \arctan(y)|$ is an incomplete metric space